Correct answer: A). Club
Club fungi are heterotrophic and it can be saprophytes. The enzyme present in the club fungi decompose the leaves, wood and other organic materials. It can be eaten by other fungi and bacteria.
It is distinguished from the other fungi by the presence of a club-shaped organ called as a basidium. Puffballs, mushroom and shelf fungi are the members of this group.
Hence, the correct answer would be option A.